<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程（runoob.com）</title>
</head>
<body>
    <form action="upload_file.php" method="post" enctype="multipart/form-data">
        <label for="file">文件名：</label>
        <input type="file" name="file" id="file"><br>
        <input type="submit" name="submit" value="提交">
    </form>
</body>
</html>